kolibrios/programs/develop/tinypad/trunk/tp-clipboard.asm
0CodErr 9def9b40db decrease value of clipboard area size
git-svn-id: svn://kolibrios.org@6975 a494cfbc-eb01-0410-851d-a64ba20cac60
2017-09-13 10:55:55 +00:00

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put_to_clipboard:
mov edi,[clipboard_buf]
test edi,edi
jz .end
add edi,12
mov esi,[copy_buf]
mov edx,[copy_count]
mov ax,0x0a0d ; End of String
cld
@@: ; convert format from Tinypad to clipboard
mov ecx,[esi]
add esi,sizeof.EDITOR_LINE_DATA
rep movsb
stosw
dec edx
jnz @b
sub edi,2 ; delete last EoS
xor eax,eax
stosb
; build the clipboard slot header
mov esi,[clipboard_buf]
sub edi,esi
dec edi
mov [esi],edi ; clipboard area size
xor eax,eax
mov [esi+4],eax ; type 'text'
inc eax
mov [esi+8],eax ; cp866 text encoding
; put slot to the kernel clipboard
mov edx,[clipboard_buf]
mov ecx,[edx]
mcall 54,2
stdcall mem.Free,[clipboard_buf]
stdcall mem.Free,[copy_buf]
xor eax,eax
mov [copy_buf],eax
mov [copy_size],eax
mov [copy_count],eax
mov [clipboard_buf],eax
.end:
ret
;---------------------------------------------------------------
get_from_clipboard:
mov [copy_size],0
pushad
mcall 54,0
test eax,eax
jz .exit ; no slots of clipboard
inc eax
jz .exit ; main list area not found
sub eax,2
mov ecx,eax
mcall 54,1
inc eax
jz .exit ; main list area not found
sub eax,2
jz .exit ; error
inc eax
mov [clipboard_buf],eax
; check contents of container
mov ebx,[eax+4]
test ebx,ebx
jnz .freeMemory ; not text
mov ebx,[eax+8]
dec ebx
jnz .freeMemory ; not cp866
mov edi,[clipboard_buf]
mov al, 10
mov ecx,[edi]
add edi,12
sub ecx,12
jbe .freeMemory
cmp byte[edi],0
jz .freeMemory
@@:
dec ecx
cmp byte[edi+ecx],0
jz @b
inc ecx
push ecx
cld
@@: ; count strings
repnz scasb
inc ebx
test ecx,ecx
jnz @b
dec edi
cmp byte[edi],10
jnz @f
inc ebx
@@:
mov [copy_count],ebx
lea eax,[ebx*4+ebx+2]
add eax,[esp]
stdcall mem.Alloc,eax
mov [copy_buf],eax
mov esi,eax
mov edi,[clipboard_buf]
add edi,12
pop ecx
mov ebx,ecx
mov al, 10
.stringSize: ; convert format from clipboard to Tinypad
repnz scasb
sub ebx,ecx
mov edx,edi
sub edi,ebx
dec ebx
test ecx,ecx
jnz .stringEnd
.lastString:
cmp byte[edi+ebx],10
jz .stringEnd
cmp byte[edi+ebx],0
jnz @f
dec ebx
jmp .lastString
.stringEnd:
dec ebx
cmp byte[edi+ebx],13
jz .copyString
@@:
inc ebx
.copyString:
mov [esi],ebx
add esi,sizeof.EDITOR_LINE_DATA
xchg ebx,ecx
xchg esi,edi
rep movsb
mov ecx,ebx
jcxz .done
mov esi,edi
mov edi,edx
jmp .stringSize
.done:
cmp esi,edx
jz @f
inc ecx
mov [edi],ecx
add edi,sizeof.EDITOR_LINE_DATA
mov byte[edi],' '
inc edi
@@:
sub edi,[copy_buf]
mov [copy_size],edi
.freeMemory:
stdcall mem.Free,[clipboard_buf]
mov [clipboard_buf],0
.exit:
popad
ret
;---------------------------------------------------------------
check_clipboard_for_popup:
pushad
mov [popup_valid_text],0
mcall 54,0
test eax,eax
jz .exit ; no slots of clipboard
inc eax
jz .exit ; main list area not found
sub eax,2
mov ecx,eax
mcall 54,1
inc eax
jz .exit ; main list area not found
sub eax,2
jz .exit ; error
inc eax
mov [clipboard_buf],eax
; check contents of container
mov ebx,[eax+4]
test ebx,ebx
jnz .freeMemory ; not text
mov ebx,[eax+8]
dec ebx
jnz .freeMemory ; not cp866
mov [popup_valid_text],1
.freeMemory:
stdcall mem.Free,[clipboard_buf]
mov [clipboard_buf],0
.exit:
popad
ret